llvm-project/flang/runtime/type-code.h

60 lines
1.8 KiB
C++

//===-- runtime/type-code.h -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef FORTRAN_RUNTIME_TYPE_CODE_H_
#define FORTRAN_RUNTIME_TYPE_CODE_H_
#include "flang/Common/Fortran.h"
#include "flang/ISO_Fortran_binding.h"
#include <optional>
#include <utility>
namespace Fortran::runtime {
using common::TypeCategory;
class TypeCode {
public:
TypeCode() {}
explicit TypeCode(ISO::CFI_type_t t) : raw_{t} {}
TypeCode(TypeCategory, int kind);
int raw() const { return raw_; }
constexpr bool IsValid() const {
return raw_ >= CFI_type_signed_char && raw_ <= CFI_TYPE_LAST;
}
constexpr bool IsInteger() const {
return raw_ >= CFI_type_signed_char && raw_ <= CFI_type_ptrdiff_t;
}
constexpr bool IsReal() const {
return raw_ >= CFI_type_float && raw_ <= CFI_type_long_double;
}
constexpr bool IsComplex() const {
return raw_ >= CFI_type_float_Complex &&
raw_ <= CFI_type_long_double_Complex;
}
constexpr bool IsCharacter() const {
return raw_ == CFI_type_char || raw_ == CFI_type_char16_t ||
raw_ == CFI_type_char32_t;
}
constexpr bool IsLogical() const {
return raw_ == CFI_type_Bool ||
(raw_ >= CFI_type_int_fast8_t && raw_ <= CFI_type_int_fast64_t);
}
constexpr bool IsDerived() const { return raw_ == CFI_type_struct; }
constexpr bool IsIntrinsic() const { return IsValid() && !IsDerived(); }
std::optional<std::pair<TypeCategory, int>> GetCategoryAndKind() const;
private:
ISO::CFI_type_t raw_{CFI_type_other};
};
} // namespace Fortran::runtime
#endif // FORTRAN_RUNTIME_TYPE_CODE_H_